During Tokugawa Ieyasu's epic battle of Sekigahara, two samurai face off outside of history. In the heart of the duel between Kyoshiro and Demon Eyes Kyo, a shooting star slams into the plains, shattering the ground and engulfing them both. Four years later, the bounty hunter Yura finds the good natured Kyoshiro, now a traveling medicine man. Hidden deep inside Kyoshiro is the soul of his old opponent, the merciless samurai Kyo. When Yura and Kyoshiro are thrown into battle, the medicine man's friendly personality will recede, and the whole world will learn why Kyo is called a demon!